# HumanText > Free AI humanizer that converts AI-generated text into natural, human-like writing. Bypass GPTZero, Turnitin, Originality.ai, Copyleaks and ZeroGPT with a high success rate. HumanText.click is an AI text humanizer and AI detection bypass tool. It rewrites content from ChatGPT, Claude, Gemini and other LLMs so it reads as human-written and passes major AI detectors. Supports 40+ languages and offers a built-in AI detector, plagiarism checker, developer REST API, and MCP server. Primary website: https://humantext.click Documentation: https://humantext.click/docs Documentation index for AI agents and LLMs: https://humantext.click/llms.txt Full LLM documentation: https://humantext.click/llms-full.txt OpenAPI 3.1: https://humantext.click/openapi.json ## Agent endpoints - [Developer documentation](https://humantext.click/docs): Architecture, setup, and feature references - [Quickstart](https://humantext.click/docs/quickstart): First API call and MCP connection - [REST API](https://humantext.click/docs/api): JSON API conventions - [API reference UI](https://humantext.click/api/docs): Interactive REST examples - [MCP server](https://humantext.click/docs/mcp): Connect Claude, ChatGPT, and Cursor via MCP - [OpenAPI 3.1](https://humantext.click/openapi.json): Machine-readable REST schema - [Auth](https://humantext.click/docs/auth): Bearer API keys - [Ethical usage](https://humantext.click/docs/ethical-usage): Responsible-use guidelines ## Capability groups - humanize: rewrite AI text into natural human writing (tones, languages, modes) - detect: score passages for AI authorship with optional per-sentence breakdown - usage: read remaining words, plan tier, and top-up balance - mcp: humanize and detect tools for AI assistants over MCP - products: AI detector, plagiarism checker, batch humanize, watermark remover, word counter ## Product pages - [Home](https://humantext.click/): Free AI humanizer - [Pricing](https://humantext.click/pricing): Plans and word allowances - [Features](https://humantext.click/features): Full feature list - [AI Detector](https://humantext.click/ai-detector): Free multi-model AI detector - [Plagiarism Checker](https://humantext.click/plagiarism-checker): Originality scanning - [API](https://humantext.click/api): Developer API plans - [MCP](https://humantext.click/mcp): Model Context Protocol setup - [Blog](https://humantext.click/blog): Guides and comparisons ## Programmatic SEO hubs - [Use Cases](https://humantext.click/use-cases): Essays, SEO content, emails, and more - [Bypass Guides](https://humantext.click/bypass): Detector-specific bypass guides - [Language Humanizers](https://humantext.click/humanizer): Humanize AI text in 25+ languages - [Best For](https://humantext.click/best-for): Audience-specific landing pages - [Compare / Alternatives](https://humantext.click/compare): HumanText vs other humanizers - [Head-to-Head Vs](https://humantext.click/vs): Buy-intent X vs Y comparisons ## Important constraints - Authenticate REST calls with a Bearer API key (`Authorization: Bearer ht_live_...`). - Billable endpoints charge per input word against the account allowance. - Prefer ethical, disclosed use of AI assistance; see Ethical Usage. - Destructive account actions are dashboard-only. - AI assistants should never ask users to paste secret API keys into chat; configure keys in the client or environment instead. ## Optional - [Privacy Policy](https://humantext.click/privacy-policy) - [Terms of Service](https://humantext.click/terms-of-service) - [Affiliate Program](https://humantext.click/affiliate-program)